Simon Hantaï (1922-2008) Étude bleue signed twice and dated twice 'Hantaï 69' (on the stretcher), oil on canvas, 210 x 234.4 cm (82⅝ x 92¼ in.), executed in 1969 © Christie’s Images Limited 2024.

Lucio Fontana (1899-1968) Concetto Spaziale, Attese signed and titled ‘l. Fontana "Concetto Spaziale ATTESE"’ (on the reverse); inscribed 'è un rettangolo a mano libera’ (on the reverse, within a rectangle drawn by the artist), water-based paint on canvas, 100 x 81 cm, executed in 1968, estimate | on request © Christie’s Images Limited 2024.